Gif Central boasts hundreds of funny animated gifs. Only the best of the best make it onto this site, with most of them having an accompanying source. No tumblr-esque one-second-long disappointments. No obscure titles or descriptions.
This is an animated gif of a guy pretending to be a dinosaur while his friend stands behind him and holds up an umbrella. Brings me back to that scene in Jurassic Park, where the "cute looking" dinosaur suddenly showed its wings / flaps.